基于相形态结构的PLA/PBS共混物微孔发泡行为

doi:10.11896/cldb.18080183

Abstract
Figure/Table
References
Related Citation (15)

Download:

Full Text ( PDF ) (3285KB)
Export: BibTeX | EndNote (RIS)

Abstract Poly(butylenes succinate)(PBS) with various contents were added to polylactic acid(PLA) matrix to form immiscible polymer blend. Supercritical carbon dioxide microcellular foaming method was used to fabricate microcellular materials with highly interconnected cells. The visco-sity of PLA/PBS blends decreased because of the addition of PBS content, meanwhile, owing to heterogeneous nucleation effect, the cell density was increased while the cell size and cell wall thickness was decreased, which benefits to improve probability of cell wall connected. The cell structure data reveals that the smallest cell size of 9.51 μm, the largest cell density of 18.6×10⁸ cells/cm³ and the maximum opening rate of 98.2% was obtained when foamed at 100 ℃ in blend with 20wt% PBS content. Cell opening mechanism of blend foaming samples was proposed based on PLA/PBS phase structure. Dispersion PBS phase with lower melt viscosity is stretched until it ruptured during the cell growing process, while PLA matrix with higher melt viscosity could be used as supporting skeleton to prevent cell collapse.

Key words： polylactic acid supercritical carbon dioxide microstructure cell structure

Published: 29 August 2019

CLC number:

TQ328

About author:: Peng Yuis currently a lecturer and a postgraduate tutor of the Hubei University of Technology (HBUT). He received his Ph.D. degree in Materials Processing Engineering from the South China University of Technology in July, 2015. In the same year, he was appointed to the faculty by HBUT. He has published more than 20 journal papers as a first author or corresponding author, applied 4 national invention patents and 3 of them were authorized. His research interests focus on performance-enhanced and functionalization of polymer materials, carrying on the fundamental theory & application about the polymer blend modification and novel processing technology. He presided over the National Natural Science Foundation Youth Program, Hubei Natural Science Fund Project and Hubei Provincial Education Department Youth Talent Project, etc.

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	YU Peng
	XIANG Pei
	GAO Jinling
	LI Yuan

Cite this article:

YU Peng,XIANG Pei,GAO Jinling, et al. Microcellular Foaming Behavior of PLA/PBS Blends Based on Phase Structure[J]. Materials Reports, 2019, 33(20): 3524-3530.

URL:

http://www.mater-rep.com/EN/10.11896/cldb.18080183 OR http://www.mater-rep.com/EN/Y2019/V33/I20/3524

Zhao Z C, Ouyang C F, Xiang X, et al. Chemical Industry and Enginee-ring Progress, 2016, 35(s1), 209(in Chinese).赵正创, 欧阳春发, 相旭, 等. 化工进展, 2016, 35(s1), 209.2 Li Y N, Liu Z F, Bao J B, et al. Materials Review A:Review Papers, 2015, 29(9), 15(in Chinese).李妍凝, 刘智峰, 包锦标, 等. 材料导报:综述篇, 2015, 29(9), 15.3 Scaffaro R, Lopresti F, Botta L, et al. Journal of the Mechanical Beha-vior of Biomedical Materials, 2016, 54, 8.4 Li N, Xiao C, Mei S, et al. Desalination, 2011, 274(1), 284.5 Chen B Y, Jing X, Mi H Y, et al. Polymer Engineering & Science, 2015, 55(6), 1339.6 Chen B Y, Wang Y S, Mi H Y, et al. Journal of Applied Polymer Science, 2015, 131(23), 205.7 Gandhi A, Asija N, Kumar Gaur K, et al. Materials Letters, 2013, 94, 76.8 Jahani D, Ameli A, Saniei M, et al. Macromolecular Materials and Engineering, 2015, 300(1), 48.9 Mosanenzadeh S G, Naguib H E, Park C B, et al. Journal of Applied Polymer Science, 2014, 131(7), 2113.10 Ying J X, Bao J B, Zhu J F, et al. Polymer Materials Science and Engineering, 2018, 34(4), 122(in Chinese).应建行, 包锦标, 朱嘉峰, 等. 高分子材料科学与工程, 2018, 34(4), 122.11 Bao J B, Nyantakyi J A, Weng G S, et al. The Journal of Supercritical Fluids, 2016, 111, 63.12 Yeh S K, Liu Y C, Chu C C, et al. Industrial & Engineering Chemistry Research, 2017, 56(30), 8499.13 Gutierrez C, Garcia M T, Mencia R, et al. Journal of Materials Science, 2016, 51(10), 4825.14 Nofar M, Park C B. Progress in Polymer Science, 2014, 39(10), 1721.15 Wang L, Lee R E, Wang G L, et al. Chemical Engineering Journal, 2017, 327, 1151.16 Lopes M S, Jardini A L, Filho R M. Procedia Engineering, 2012, 42, 1402.17 Krause B, Diekmann K, van der Vegt N F A, et al. Macromolecules, 2002, 35(5), 1738.18 Kong W L, Bao J B, Wang J, et al. Polymer, 2016, 90, 331.19 Wang M, Li X. Materials Review B:Research Papers, 2018, 32(4), 1236(in Chinese).王明, 李星. 材料导报:研究篇, 2018, 32(4), 1236.20 Zhang W H, Chen B Y, Zhao H B, et al. Journal of Applied Polymer Science, 2013, 130(5), 3066.21 Ding J, Shangguan J N, Ma W H, et al. Journal of Applied Polymer Science, 2013, 128(6), 3639.22 Ema Y, Ikeya M, Okamoto M. Polymer, 2006, 47(15), 5350.23 Chen X H, Yu P, Kostromin S, et al. Journal of Applied Polymer Science, 2013, 130(5), 3421.24 Peón J, Vega J F, Del Amo B, et al. Polymer, 2003, 44(10), 2911.25 Li K, Peng J, Turng L S, et al. Advances in Polymer Technology, 2011, 30(2), 150.26 Li R, Yu W, Zhou C. Polymer Bulletin, 2006, 56(4-5), 455.27 Wang X D, Liu W, Zhou H F, et al. Polymer, 2013, 54(21), 5839.28 Han X M, Koelling K W, Tomasko D L, et al. Polymer Engineering & Science, 2003, 43(6), 1206.